Sole bottom surface



FIG. 1 is a perspective view of a sole bottom surface showing my new design;

FIG. 2 is a plan view of the sole bottom surface shown in FIG. 1;

FIG. 3 is a profile of the sole bottom surface taken along line 3--3 of FIG. 2;

FIG. 4 is a profile of the sole bottom surface taken along line 4--4 of FIG. 2;

FIG. 5 is a profile of the sole bottom surface taken along line 5--5 of FIG. 2; and,

FIG. 6 is a profile of the sole bottom surface taken along line 6--6 of FIG. 2.

The broken line showing of the remainder of the shoe in FIGS. 1 and 2 is for illustration purposes only and form no part of the claimed design. 

The ornamental design for a sole bottom surface, as shown and described. 